The image of yin-yang fairy and gourd in the shape half fish, half bird can be traced back to 6000-year-old Yangshao culture. According to the fairy tale about the beginning of human life, ill ancient time, when flood surging to the sky, Fuxi and his sister Niu Wa stayed in a gourd to keep from getting drowned. By that, gourd has always been a symbol of mother's body which created all things on earth. In Miao village, this symbol is a gourd flute; in northern China, it is in the form of paper-cut and embroidery works like "Eight diagram gourd;" "Double nozzle gourd;" "Gourd laying kids;" and "Gourd over a square;" and a variety of gourd shaped hand bags. When pasted on the bridal chamber, it is considered a happy symbol for propagation; on the door front, it keeps away vicious spirits and epidemics; wearing on the chest, it is patron-saint, and in residential building, gourd is usually being placed on the sky beam of the central room for safeguard.